Home / 762,918.24-1,052,820.51-418,768.61

Finding the Fourth Proportional to 762,918.24, 1,052,820.51 and 418,768.61

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Solution

The fourth proportional to 762,918.24, 1,052,820.51 and 418,768.61 is: 577,897.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    762,918.24 : 1,052,820.51 = 418,768.61 : x
  2. Step 2: Convert to fraction form
    762,918.24/1,052,820.51 = 418,768.61/x
  3. Step 3: Cross multiply
    762,918.24x = 1,052,820.51 × 418,768.61
  4. Step 4: Simplify right side
    762,918.24x = 440,888,178,856.55
  5. Step 5: Solve for x
    x = 440,888,178,856.55/762,918.24
  6. Step 6: Final answer
    x = 577,897.02

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.